please use matlab and do it fast

3 . [14 points) a) Create a matrix named A having the following values: (3 points) 12-1-4 6 7 6 5 - 2 -1-4 8 5 8 2 5-1 b) Show how to change the rightmost column (4th column) of A to [1 2 3 4]. [3 points) c) Show how to delete the last row in A. [3 points) (5 points) d) After all the operations from a) and b), the matrix now becomes (12-1-41 65-22 -1 -4 8 3 Using a single MATLAB stotement, show how to determine the total number of integers that are in the inclusive range from 5 to 8 and are divisible by 4 in A